Abstract
The relative gamma-ray intensities of transitions depopulating the 133,135Xe ground and isomeric states as well as the 133Ba ground state have been measured using a semiconductor detector. The half-lives of these xenon states have been measured and are found to differ slightly from the reported values. The K internal conversion coefficient of the 133Xe isomeric transition was determined to have the value α K = 7.68±0.25. The 130Te(α, n) 133,133mXe cross sections were measured in a stacked-foil experiment. More than nine new transitions have been observed from unreported levels in 135Cs. New levels are proposed at 408.2, 981.7 and 1062.6 keV. The above results are discussed in terms of the level schemes.
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